Raytheon UK has developed a positioning and navigation system that adds 3D dead-reckoning to global navigation satellite systems (GNSSs, GPS for example), allowing navigation inside buildings. Called ‘Strider’, it comes in two parts – a ‘boot-mounted unit’ (BMU) and a phone app. Inside the BMU are accelerometers, gyros and a pressure sensor (height). This communicates ...
Read full article: Shoe sensor adds dead-reckoning to GPS
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